try to fix windows

.github/workflows/windows-x86_64.yml

@@ -58,7 +58,8 @@ jobs:
       MAKE: "nmake"
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - uses: erlef/setup-beam@v1
         with:
@@ -119,14 +120,17 @@ jobs:
         run: |
           rm -f Makefile
           rm -f "_build/${MIX_ENV}/lib/evision/priv/evision.dll"
+          rm -f "_build/${MIX_ENV}/lib/evision/priv/windows_fix.dll"
 
           rm -rf lib/generated && rm -rf src/generated
           mkdir -p lib/generated && mkdir -p src/generated
 
           mix compile
 
       - name: Compile once again but without optional deps
-        run: mix compile --force --warnings-as-errors --no-optional-deps
+        shell: bash
+        run: |
+          mix compile --force --warnings-as-errors --no-optional-deps
 
       - name: Cache testdata
         id: cache-mix-testdata
@@ -140,3 +144,16 @@ jobs:
         shell: bash
         run: |
           mix test --include require_downloading --include require_ffmpeg --exclude may_crash
+
+      - name: Create tarball
+        if: always()
+        shell: bash
+        run: |
+          tar -czf evision-x86_64-windows-msvc.tar.gz -C "_build/${MIX_ENV}/lib/evision" .
+
+      - name: Upload build artifacts
+        if: always()
+        uses: actions/[email protected]
+        with:
+          name: evision-x86_64-windows-msvc.tar.gz
+          path: evision-x86_64-windows-msvc.tar.gz

mix.exs

@@ -2,7 +2,7 @@ defmodule Evision.MixProject.Metadata do
   @moduledoc false
 
   def app, do: :evision
-  def version, do: "0.1.34"
+  def version, do: "0.1.35-alpha"
   def github_url, do: "https://github.com/cocoa-xu/evision"
   def opencv_version, do: "4.9.0"
   # only means compatible. need to write more tests

py_src/evision_templates.py

@@ -185,7 +185,7 @@ def load_nif do
     nif_file = '#{:code.priv_dir(:evision)}/evision'
     case :evision_windows_fix.run_once() do
       :ok -> :ok
-      {:error, reason} -> Logger.warning("Failed to load nif: #{inspect(reason)}")
+      {:error, reason} -> Logger.warning("Failed to run windows fix: #{inspect(reason)}")
     end
 
     case :erlang.load_nif(nif_file, 0) do
@@ -215,11 +215,7 @@ def load_nif do
         Dir ->
             filename:join(Dir, ?LIBNAME)
     end,
-    case os:type() of
-        {win32, _} ->
-            dll_loader_helper:add_dll_directory(filename:join[filename:dirname(SoName), %s]);
-        _ -> true
-    end,
+    evision_windows_fix:run_once(),
     erlang:load_nif(SoName, 0).
 
 not_loaded(Line) ->

src/evision.app.src

@@ -1,6 +1,6 @@
 {application, evision,
  [{description, "OpenCV-Erlang/Elixir binding."},
-  {vsn, "0.1.32"},
+  {vsn, "0.1.35-alpha"},
   {registered, []},
   {applications,
    [kernel,

src/evision_windows_fix.erl

@@ -0,0 +1,28 @@
+-module(evision_windows_fix).
+-compile(nowarn_export_all).
+-compile([export_all]).
+
+-on_load(init/0).
+
+-define(APPNAME, evision).
+-define(LIBNAME, windows_fix).
+
+init() ->
+    SoName = case code:priv_dir(?APPNAME) of
+        {error, bad_name} ->
+            case filelib:is_dir(filename:join(["..", priv])) of
+                true ->
+                    filename:join(["..", priv, ?LIBNAME]);
+                _ ->
+                    filename:join([priv, ?LIBNAME])
+            end;
+        Dir ->
+            filename:join(Dir, ?LIBNAME)
+    end,
+    erlang:load_nif(SoName, 0).
+
+not_loaded(Line) ->
+    erlang:nif_error({not_loaded, [{module, ?MODULE}, {line, Line}]}).
+
+run_once() ->
+    not_loaded(?LINE).